Due to their wide variety of popular Android devices, Samsung “may have” surpassed Apple in smartphone sales according to Boston-based Strategy Analytics. In Q2 2011 Samsung is estimated to have sold between 18 – 21 million smartphones, while Apple sold 20.3 million iPhones, and Nokia sold 16.7 million. Certainly, they are at least #2.

Much of Samsung’s success is credited to sales of the Galaxy S II which has been booming overseas.

It’s far from official that Samsung has surpassed Apple, but at any rate they’re becoming a close competitor. We can’t wait to look at these numbers again when the Galaxy S II hits U.S. shores, but then again, the iPhone 5 is reportedly on its way too.